by Armin Otto Leuschner
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Tables of minor planets discovered by Ja...
Beiträge zur Kometenbahnbestimmung
The minor planets of the Hecuba group
Twenty-five-year synopsis of the meterol...
Research surveys of the orbits and pertu...
A short method of determining orbits fro...
Tristan und Isolde
Department of Energy
Treaties, etc
State of Fear
The World Is Flat -A Brief History OF TH...